main{
    width: 100%;
    margin-bottom: 75px;
}

main>.container{
    width: 1054px;
    margin: 0 auto;

    /* 父元素 相对定位 */
    position: relative;
}


/* 侧边栏 begin */
main>.container>aside{
    width: 135px;
    background-color: #0099FF;
    /* 子元素 绝对定位 */
    position: absolute;
    left: 0;
    top: -54px;
}
main>.container>aside>li{
    line-height: 54px;
    text-align: center;
    color: white;
    position: relative;
}
main aside li.active{
    background-color: #0062A3;
}
main aside li.active::after{
    content: ">";
    position: absolute;
    right: 4px;
    top: 0;
}
main aside li:hover{
    background-color: #0062A3;
    cursor: pointer;
}
main aside li:hover::after{
    content: ">";
    position: absolute;
    right: 4px;
    top: 0;
}
/* 侧边栏 end */


/* 公司介绍 begin */
main>.container article{
    width: 795px;
}

main>.container article>.breadcrumb{
    height: 30px;
    border-bottom: 1px solid #45BAEE;
    font-size: 14px;
    line-height: 30px;
    letter-spacing: 2px;
}
main>.container article>.breadcrumb a{
    color: #45BAEE;
}

main article section{
    width: 100%;
}
main article section h2{
    padding-top: 70px;
    font-size: 23px;
    text-align: center;
    letter-spacing: 3px;
}
main article section p:nth-of-type(1){
    margin-top: 50px;
}
main article section p{
    line-height: 25px;
    text-indent: 2em;
    margin-bottom: 20px;
}

main article .img-box{
    width: 100%;
    overflow: hidden;

    margin-top: 65px;
}
main article .img-box>div{
    width: 382px;
}
/* 公司介绍 end */
